期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 33, 页码 14553-14561出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.05.174
关键词
Water electrolysis; Oxygen evolution reaction; NiFe-LDH; Core-shell structure; Unipolar pulse electrodeposition method
资金
- ZiQoo Chemical Incorporation
NiFe-layered double hydride (NiFe-LDH) coated Cu(OH)(2) array was well fabricated on carbon paper as anode by using a facile unipolar pulse electrodeposition (UPED) method for electrochemical water splitting. Effects of the initial molar ratio of Ni/Fe in the deposition solution, applied pulse potential, applied quantity of electricity on the performance of anode were investigated. The optimum Cu(OH)(2) nanorod @ NiFe-LDH nanosheet core/shell array structure was successfully obtained with an initial Ni/Fe molar ratio of 6:4 in the deposition solution, an applied pulse potential of -1.1 V and an applied quantity of electricity of 2.5 C by using the UPED method, which also showed a small overpotential of 283 mV to yield a current density of 10 mA cm(-2) and a good stability during water electrolysis. It is expected to provide a new way to prepare anode with low cost and high performance for water electrolysis. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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